Dustguard cap or closure



Patented Dec. 15, 1931 j UNITED sTATEs PATENT oFEicE GEORG-E W. DITMORE,OF ALBANY, NEW YORK DUSTGUARD CAP OB CLOSURE Application filed April 2,1930. Serial No. 441,150.

My invention relates to new and useful dust guard cover and the entirecap quickly improvements in dust guard caps or closures, and readilyslipped in position. and especially to a dust guard cap, wherein Stillanother object of the invention is to it is not necessary in any way tochange the provide a dust guard cap that will be exceedi slot or openingin the journal box in which ingly cheap to manufacture after the dies 55the cap is to be fitted. have once been made, so that the guard'may Thepresent application is a companion to be sold cheaply in commercialquantities. one filed by me of even date herewith, the Still anotherobject of the invention is to companion application showing dust caps or provide a dust guard cap that will effectively ards of a similarnature but wherein it is keep out the dust or foreign substances annecessary to makeaslight change on thejour- Will remain i place unt'lremoved by a nal box to hold or lock the cap in position. brakeman orother artisan.

One of the objects of the present invention With these and other objectsin view, the

is t() Provide a dust guard Cap that may be invention consists incertain new and novel quickly fitted in the journal box and directlyarrangements' and combination of parte, as 65 over the dust guard tothereby prevent any wlll be hereinafter more fully described and dirt orgrit working down in the journal box vpOlnted out in the claims.

and packing the box. j Referring now to the drawings showing a Asis wellknown, the common practice is preferred embodiment and a modifiedform,2o to Simply place a, Wooden block or Wedge 'm Fi is a side'elevation ofa journal box, a

the opening in the journal box above the dust Part elng brOken away toshow in section the guard to keep out any foreign matter, but it duStguardcap in position',

is also well known that the cars in running Fig. 2 is arear end viewwith parts also over the frogs and switches will cause these blOlGIlaway for theI sake of clearness of illus- 25 wooden wedges or plugs, dueto the continua tration; `7 vibration, to work or jar out of place anddirt Fig. 3 is a fragmentary top vplan with a or dust will work in atthe top of the dust part f the top surface of the dust guard guardand,therefore,in away defeat the pur- C OVer being broken away to showrthe posipose of the dust guard. t10n- 0f the' Same; Y Y 3 Still anotherobject of the present invenlFig. 4 is a side elevation of my improved'S0 tion is to provide a dust guard cap (preferred Clust guard cap form)that is bent from a single sheet of Flg. 5 1S anend view of the same;

metal and ma be fitted over the opening of Flg. 6 iS a fragmentarysectional view of a the dust guar chamber without in any way modifiedvform of cap showing the same in changing the construction of the journalbox. position; j

Still another object of the invention is to Fig. 7 is a side elevationof the same", provide a dust guard cap that will tightly Fig. 8 is anend view of the modified form. cover the slot or opening in the journalbox Referring now more specifically vto the over the dust guard. Thisdust guard cap is drawings, there is shown in Fig. 1 a journal rovidedwith an extending leg or lip that box 1 with the usual lid 2, while tothe rear 90 may be engaged under the web beneath the there maybe seenthe compartmentin'whic top opening in the journal box, sol that the thedust guard 4 is to be fitted. The comdust. guard cap can not in any waywork loose partment 3 is always open at its top, as at 5,

or be jarred from its position. and there are shown the usualstrengthening 95 Still another object of the invention is to webs orflanges 6 which, of course, are inprovide a dust guard cap which, in itspretegral with the journal box casting. ferred form, is made from asingle strip of i. ln this top opening it is the common pracmetal or maybe. made in a modified form, tice to insert a wooden wedge or stick, sothat whereby the legs mav be fitted within the `dirt and dust willnotenter and work down l ywill be seen from Fig.

.tl-ghtpt Within the vOpel-,ina 5 and after the wardly extending legs,the horizontal length 'beyondtlie guard and into the packing withand sobent that it will completely cover the in the journal box. dust guardopening and will be tightly held e present invention contemplates a dustafter once being sprung into place. guard cap or cover for this openingthat have shown a slightly modified form in may be placed in position atany time or may Figs. 6, 7 and 8, wherein t e cover plate 14 70 bequickly removed by a workman but, on the is shown with the downwardlyextending other hand, will never jar loose or be lost anges 15, theseflanges being intended to while the car is in sei'vice. y Y l* esprungfdown over the top of the webs 16 s mentioned in the forepart ofthe specabout the opening 17 in the ljournal box 18. ification, wherewoden blocks or wedges are his cover plate 14 has also the downwardly 75used, a continual jarring' of the truck as it' extending lips 19 at itsopposite ends to pass goes over frogs and switches will cause the overthe end walls of the dust guard opening old form of closure to loosenand work out of the journal box, as may be seen in the of place and thecar will often travel man dotted lines of Fig. 6. .ousands of mileswithout vany covei' what# Instead of the dust guard cap having an 80ever over this dust guard chamber. integral leg to engage the undersurface of eferri'ng now to the gist of the invention, one .of theflanges about the upper edge of tigs. 1 to 5, and more specifically forthe the opening', I empl-oy a separate substaninonient to Fig. 4, therewill be noticed a dust tially U-shaped member having' the two legs guardcap 7 which comprises the cover plate 2O see Figs. 7 and 8), which legsare nearly 95 8 which is bent under and inwardly at its of the samelength and are each provided edges, as at 9 anl 10. The bent-underporwith the lips 1. These U-shaped legs 20 tion 9 then extendsdownwardly to form a are passed through small openings 22 formed shortleg 1l, while the opposite leg 12 is in t e cover plate 14 and aboutcentrally of formed integral with the bent-under portion its length, thelegs being of sutlicient length 90 and is somewhat greater in lengththan so that the two small lips 2l will each enthe leg' 11. It will alsobe noticed that there gage the under surfaces of the respective end ofthis outer leg 1 .In the same manner, to insert the cap in V Stillreferring to Fig. 4, it will be seen that position, it is only necessaryto slightl the leg 11 terminates a short distance from Vspring theselegs 2O together and force them the respective ends of the cover plate8, while down within the top opening of the dust the leg 12 alsoterminates short of the ends of guard chamber so that when the cover isin the plate 8 and is also cut onan angle toward its final position, thelittle lips 21 ywill ene lip 13. T is leaves the two ends of the gagev'the lower edges of the ribs or flanges cover projecting out over theend walls of about the dust guard opening and the dust the opening, aswill be understood from F10. guardcover will be held in this positionunlso, by cutting the leg` 12 at anangle, til pried or pulled from theopening. material is saved and,'at the same time, there From theforegoing, it `will be seen that will be enough spring in the metal ofthe leg Aafter the' dies have once i been made, these "105 to cause thesame to i'eiiiain in position, after ust guard caps, either in thepreferred oi' it has once been placed in the opening, as will modifiedform, may be quickly and readil e now mentioned. struck fronisheet metaland made in large As will be readily apparent, to insert the quantitiesat a relatively low price. Furdust cap cover in position, it is onlynecessary thermore, they will effectively keep the dust 110 to springthe two legs inwardly or toward -or dirt from getting in around the dusteach other, so that they will fit within the slot guard and into thejournal box and will or opening and then push down on the cover neverjar from position or work loose.

plate 8 unti he inwardly bent portions 9 I am aware that it is old toput in plugs and 10 rest aOainst the flanges 6 e one over the dust guardand to even form sepa- 110 c b 6 while the other leg' 12 will not onlylie flush my invention broadly as such, but what I with its flange, butthe lip 13 at its end will do Claim as new and de swingunder the loweredge of its flange, as

course, the distance between the two legs 11 and 12 is vsuch that itwill make a 1113.13 has Sprung ,Inder th/Hnge 0I, web 6 loftne legsbeing less than the length of the it will stay this way unt-il the dustcap` cover top Portlon and @Vel'l'mngmg means at the 125 is pried orpulled from position. Thus, it finds Off the top Portlon adapted t0OVGI" will be seen that after the dust guard c a 11 the end Walls aboutthe dust guard journal box casting to thereby hold the dust guard cap inplace.

2. A dust guard cap or closure formed of sheet metal comprising a coverand legs spaced inwardly from the side edges of the cover, one of thelegs being longer than the other and the longer of the legs beingprovided with a lip at its end, the said legs being of a resilientnature whereby said legs are adapted to resiliently engage the wallsabout an opening in a journal box, and the lower lip adapted to underliea portion of a journal box casting.

3. A dust guard cap or closure formed o @5 a single sheet of metalcomprising a top Cover plate, the metal being bent back under the coverplate and then downwardly to form two legs, one of said 'legs having anoiset lip at its lower end, and one of said legs being 1.. tapered fromits side edges to the lip.

4. A dust guard cap or closure comprising a cover plate, downwardlyextending flanges along the side edges and a downwardly extending flangeat each end to overlie the walls .15 about the opening of a dust guardchamber, downwardly extending legs spaced inwardly from the outer sideedges of the Cap and being of a spring nature, and one of the legsprovided with a lip at its outer end adapted to :m underlie a part otthe journal box casting to thereby tightly hold the cover in place.

5. A dust guard cap comprising a top cover, downwardly extending flangesalong its side edges and a downwardly extending flange at its end, asubstantially U-shaped member fitted down through said cover, and thesaid legs provided with lips at their outer ends adapted to underlie apart of the journal box casting.

40 In testimony whereof I aix my signature.

GEORGE W. DITMORE.

